Table 5. Descriptive statistics for the mechanical properties of six-layered cross laminated timber (unit: kg/cm2)
CLT | Shear strength (dry test) | Shear strength (wet test) | MOR | MOE |
Mean | SD | SE | Mean | SD | SE | Mean | SD | SE | Mean | SD | SE |
C | 33.513a | 0.445 | 0.2227 | 6.352b | 0.379 | 0.1896 | 423.23a | 13.25 | 6.625 | 73,179d | 70,745 | 1,048.63 |
S | 56.31b | 3.37 | 1.6832 | 9.530c | 0.364 | 0.1820 | 433.06ab | 5.22 | 2.610 | 54,929b | 809 | 404.27 |
J | 51.99b | 4.32 | 2.1594 | 14.585d | 0.898 | 0.4490 | 431.17ab | 13.86 | 6.931 | 47,216a | 1,512 | 756.03 |
CS | 29.435a | 1.392 | 0.6960 | 4.330a | 0.656 | 0.2683 | 467.28b | 17.49 | 8.745 | 74,549d | 3,826 | 1,912.96 |
CJ | 33.968a | 1.461 | 0.7305 | 5.7225b | 0.1854 | 0.0927 | 632.37c | 35.7 | 17.837 | 63,625c | 1,571 | 785.50 |
Values followed by the same letter within a columns are not statistically different based on Tukey’s range test.
CLT: cross laminated timber, MOR: modulus of rupture, MOE: modulus of elasticity, C: coconut, S: sengon, J: jabon, CS: coconut-sengon, CJ: coconut-jabon.